Feature request: YAML front matter in markdown preview

It would be nice, if markdown preview could display YAML front matter in markdown files as tables. Right now files with YAML front matter seem a little broken.

Gogs:

(https://try.gogs.io/rnarian/yaml-frontmatter/src/master/test.md)

Github:

(https://github.com/rnarian/yaml-frontmatter/blob/master/test.md)